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OpenStreetMap US

[osmus-logo.svg] OpenStreetMap US

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Welcome to the home of open mapping in the United States

OpenStreetMap is the free, editable map of the world. OpenStreetMap US is a nonprofit organization helping to support and grow the project in the US.

Our Work

Taking open mapping to the classroom

Targeted mapping for community partners

Solutions for responsible trail mapping

Powering community-led tools

The game of mini mapping challenges

The ultimate OpenStreetMap validator

The pen-and-paper mapping workflow

Free vector tiles and related resources needed to create interactive maps

Thematic extracts of OpenStreetMap data in cloud-native file formats

Get the lay of the land on OpenStreetMap's trail data

Bridging the open data gap

Charter Projects

Building the worlds most out-of-date map

We dont just build maps. We build mappers.

Place historical images on the map!

Community Projects

A quintessentially American map style

Only the freshest OpenStreetMap data

Get Involved

Learn how to make your first edit

Join us!

Invest in our mission

Giving directly to the people making OSM the worlds best map

Community messenger and workspace

Collaborative mapping campaigns

Shop official OSM US merchandise

Conferences & Events

Our premiere conference series

Our free virtual conference series

Virtual OpenStreetMap hangouts and talks

November 1722, 2025

Learn from community members

Thank you to our Members

The support of our members makes our work possible. Consider becoming an individual or organizational member.

Strategic Organizational Members

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20102026 OpenStreetMap US

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